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Table 1 Descriptive statistics of the 27,534 participants

From: Genome-wide association study identifies novel loci associated with skin autofluorescence in individuals without diabetes

 

GSA

CytoSNP

 

N = 17,424

M

N = 10,110

M

Skin autofluorescence (SAF), AU

1.79 [1.54, 2.09]

0

1.97 [1.71, 2.28]

0

lnSAF

0.59 ± 0.22

0

0.68 ± 0.21

0

Skin reflectance, %

0.20 [0.16, 0.25]

0

0.19 [0.15, 0.23]

0

Age, yrs

42 [32, 51]

0

48 [41, 55]

0

Male sex, n (%)

7092 (40.7%)

0

4173 (41.3%)

0

Smoking status

 

96

 

126

non-smoker

11,269 (65.0%)

 

6083 (60.9%)

 

previous smoker

2835 (16.4%)

 

1753 (17.6%)

 

current smoker

3224 (18.6%)

 

2148 (21.5%)

 

BMI, kg/m2

25.0 [22.8, 27.6]

2

25.8 [23.5, 28.4]

3

eGFR, ml/min/1.73m2

99 [88, 109]

27

94 [83, 104]

26

HbA1c, %

5.4 ± 0.3

67

5.5 ± 0.3

23

HbA1c, mmol/mol

36 ± 3

67

36 ± 3

23

Coffee drinker (> 1 cup/week)

15,114 (87.4%)

127

9238 (93.5%)

235

Daily coffee consumption, cups/day

3.3 [1.9, 4.7]

127

3.7 [2.3, 5.1]

235

rs1495741 (NAT2-metabolisation status)

 

0

 

0

GG (fast)

921 (5.3%)

 

498 (4.9%)

 

GA (intermediate)

6172 (35.4%)

 

3596 (35.6%)

 

AA (slow)

10,331 (59.3%)

 

6016 (59.5%)

 

Inclusion mode

 

0

 

0

Family doctor

7627 (43.8%)

 

6218 (61.5%)

 

Included family members

7393 (42.4%)

 

3131 (31.0%)

 

Self-registered

2404 (13.8%)

 

761 (7.5%)

 
  1. M, number of subjects with missing data
  2. Values are counts (%), or mean ±SD for normally distributed variables, or median [25th, 75th quartiles] for non-normally distributed variables